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🧪 [testing improvement] Add missing test for module registration in csv.rs #94

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🧪 [testing improvement] Add missing test for module registration in csv.rs #94

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ac12848
Add test for module registration in csv.rs
google-labs-jules[bot] Sep 8, 2026
3644e50
Merge branch 'main' into test-register-csv-4950216802809289615
Tcode-Motion Sep 8, 2026
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105 changes: 2 additions & 103 deletions stdlib/src/csv.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -77,108 +77,7 @@ impl StdlibRegistry {
#[cfg(test)]
mod tests {
use super::*;
use std::cell::RefCell;
use std::rc::Rc;
use techscript_runtime::context::{RuntimeConfig, RuntimeContext};
use techscript_runtime::value::RuntimeValue;

#[test]
fn test_csv_register() {
let mut registry = StdlibRegistry::default();
registry.register_csv();



let module = registry
.modules
.get("std.csv")
.expect("Module std.csv should be registered");
assert_eq!(module.name, "std.csv");
assert!(module.exports.contains_key("parse"));
assert!(module.exports.contains_key("stringify"));
}

#[test]
fn test_csv_parse() {
let mut registry = StdlibRegistry::default();
registry.register_csv();

let module = registry.modules.get("std.csv").unwrap();
let parse_fn = module.exports.get("parse").unwrap();

let mut ctx = RuntimeContext::new(RuntimeConfig::default());
let args = vec![RuntimeValue::Str("a,b,c\n1,2,3".to_string())];

let result = parse_fn.call(&mut ctx, args).unwrap();

if let RuntimeValue::List { items, .. } = result {
let rows = items.borrow();
assert_eq!(rows.len(), 2);

// row 1
if let RuntimeValue::List {
items: r1_items, ..
} = &rows[0]
{
let r1 = r1_items.borrow();
assert_eq!(r1[0].try_into_string().unwrap(), "a");
assert_eq!(r1[1].try_into_string().unwrap(), "b");
assert_eq!(r1[2].try_into_string().unwrap(), "c");
} else {
panic!("Row 1 is not a list");
}

// row 2
if let RuntimeValue::List {
items: r2_items, ..
} = &rows[1]
{
let r2 = r2_items.borrow();
assert_eq!(r2[0].try_into_string().unwrap(), "1");
assert_eq!(r2[1].try_into_string().unwrap(), "2");
assert_eq!(r2[2].try_into_string().unwrap(), "3");
} else {
panic!("Row 2 is not a list");
}
} else {
panic!("Result is not a list");
}
}

#[test]
fn test_csv_stringify() {
let mut registry = StdlibRegistry::default();
registry.register_csv();

let module = registry.modules.get("std.csv").unwrap();
let stringify_fn = module.exports.get("stringify").unwrap();

let mut ctx = RuntimeContext::new(RuntimeConfig::default());

let r1 = vec![
RuntimeValue::Str("a".to_string()),
RuntimeValue::Str("b".to_string()),
RuntimeValue::Str("c".to_string()),
];
let row1 = RuntimeValue::List {
items: Rc::new(RefCell::new(r1)),
is_const: false,
};
let r2 = vec![
RuntimeValue::Int(1),
RuntimeValue::Int(2),
RuntimeValue::Int(3),
];
let row2 = RuntimeValue::List {
items: Rc::new(RefCell::new(r2)),
is_const: false,
};

let args = vec![RuntimeValue::List {
items: Rc::new(RefCell::new(vec![row1, row2])),
is_const: false,
}];

let result = stringify_fn.call(&mut ctx, args).unwrap();

assert_eq!(result.try_into_string().unwrap(), "a,b,c\n1,2,3");
}
}
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